package com.lagou.servlet;

import com.alibaba.fastjson.JSON;
import com.lagou.factory.BeanFactory;
import com.lagou.pojo.Result;
import com.lagou.service.AccountService;
import org.springframework.web.bind.annotation.CrossOrigin;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @Author ZHAO Yudong
 * @Date 2020/11/6 14:13
 * @description：
 */
@CrossOrigin
@WebServlet(name = "transferServlet", urlPatterns = "/transferServlet")
public class TransferServlet extends HttpServlet {

	private AccountService accountService = (AccountService) BeanFactory.getBean("transferService");

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		doPost(req, resp);
	}

	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

		// 设置请求体的字符编码
		req.setCharacterEncoding("UTF-8");

		String fromCardNo = req.getParameter("fromCardNo");
		String toCardNo = req.getParameter("toCardNo");
		String moneyStr = req.getParameter("money");
		int money = Integer.parseInt(moneyStr);

		Result result = new Result();

		try {

			// 2. 调用service层方法
			accountService.transfer(fromCardNo, toCardNo, money);
			result.setStatus("200");
		} catch (Exception e) {
			e.printStackTrace();
			result.setStatus("201");
			result.setMessage(e.toString());
		}

		// 响应
		resp.setContentType("application/json;charset=utf-8");
		Object o = JSON.toJSON(result);
		System.out.println(o);
		resp.getWriter().print(o.toString());
	}
}
